MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c9523e4ca9221b424a44feb028834a2829e302e7fbc89b9aff8a4b63a7e34fd. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


GCleaner


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c9523e4ca9221b424a44feb028834a2829e302e7fbc89b9aff8a4b63a7e34fd
SHA3-384 hash: 809cf1a42a8644479143f8970af426baf6b71306597a8b0c0c5128f27dcaa2555e677543d59f78a8c03cd0c0cc0d830c
SHA1 hash: 6a30c38880bd30358484bc1741d67a8a815f2322
MD5 hash: 7e50c3b5dc06bc592f7acd4b8c03ad3c
humanhash: march-east-washington-six
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'367'275 bytes
First seen:2022-10-23 17:16:09 UTC
Last seen:2022-10-23 17:44:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'451 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z25fD8F3tybYnBRkIt8xex/BM2L3YP7S6ZvdVd/FBvLOqcyNA5hq:MhDA3fBRIsBM2ra7r/d/bWDq
TLSH T11AB533B7EF97C136C0B2C57E1F3B9E19052EBB7000356959B96E019E1F2A564980B3F8
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
18
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 17:16:37 UTC
Tags:
installer
Link:
https://app.any.run/tasks/1bef2ee5-ad19-47bd-b998-47680f2c9f11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/323012/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Sending a custom TCP request
Moving a file to the %AppData% subdirectory
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/44745/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6355770f339362a6061b5539/reports/e2beb977-3b58-4b68-8233-be6e0280efb4/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8a9a5ac9-3f81-469d-a621-23bad54894e8
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1095963
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728604 Sample: file.exe Startdate: 23/10/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-P8I1J.tmp, PE32 10->31 dropped 13 is-P8I1J.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 ersearcher57.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49702, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49703, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49699, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\4sEZuMjeoRlBn.exe, PE32 16->29 dropped 20 4sEZuMjeoRlBn.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c9523e4ca9221b424a44feb028834a2829e302e7fbc89b9aff8a4b63a7e34fd/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-23 18:25:18 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dskshzgksiq3ijfej7vqfcbuukbj4mbop66itonp7cslmot6gt6q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221023-vtn8rsbdf9/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/62839091-51e6-46dd-8b79-b5d6b1a6df1c
Unpacked files
SH256 hash:
91403f38016a5cdf4441013676819094ef9640213d76cc050005165860e7e517
MD5 hash:
2fe8e75150f9ca8a6e9de3e7209946a5
SHA1 hash:
93b44c23838b0a76296b082b4fe61bbeabfe2221
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e9cc79b-5a97-4a4a-9c28-0f4092f0c627/
SH256 hash:
5b561b9a5635fe6dbf396ff8bbe8c48583a5cba29d97640ad4a683c884d04bb8
MD5 hash:
de2d4ebc671b0443c6f1b6aab2f3fe28
SHA1 hash:
5435ce24e6704591cfdc8230193778be4202080e
Link:
https://www.unpac.me/results/3e9cc79b-5a97-4a4a-9c28-0f4092f0c627/
SH256 hash:
eae63270c0a66b7968125c0dca63f24f85f9d6574e1450199d2988247fabc637
MD5 hash:
587c819955934c38dd2d8763c1be6384
SHA1 hash:
2b4e830b66bf89ee98e84409451022ca625488f2
Link:
https://www.unpac.me/results/3e9cc79b-5a97-4a4a-9c28-0f4092f0c627/
SH256 hash:
1c9523e4ca9221b424a44feb028834a2829e302e7fbc89b9aff8a4b63a7e34fd
MD5 hash:
7e50c3b5dc06bc592f7acd4b8c03ad3c
SHA1 hash:
6a30c38880bd30358484bc1741d67a8a815f2322
Link:
https://www.unpac.me/results/3e9cc79b-5a97-4a4a-9c28-0f4092f0c627/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/1c9523e4ca9221b424a44feb028834a2829e302e7fbc89b9aff8a4b63a7e34fd

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/323012/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments